Here are some pictures..
15 gallon res..
1200 ppm
6.0 PH
Feeding 6
6.1Run-off PH
1160 ppm run-off
Flushed them last week for about 4 days with distilled water. Thursday cleaned the whole system, new water, fresh nutrients, a new oxygen stone, and added Clearex. Temp is 78-80 constant.. fans...